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a9726910ff
* Fixes the npm package example to state 'npm' vs 'gem' * Fixes powershell resource to specify the resource instead of 'script' * Updates the example to rename variable 'script' While ruby would allow the local variable and the presence of the InSpec method at the same time I think that it is bad form. Other resource examples also use 'script'. * Changes pip to show generic example Other package like resources show a generic example in the default. Signed-off-by: Franklin Webber <franklin@chef.io>
116 lines
2.5 KiB
Text
116 lines
2.5 KiB
Text
---
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title: About the powershell Resource
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---
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# powershell
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Use the `powershell` InSpec audit resource to test a Powershell script on the Windows platform.
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## Syntax
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A `powershell` resource block declares a Powershell script to be tested, and then compares the output of that command to the matcher in the test:
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script = <<-EOH
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# a PowerShell script
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EOH
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describe powershell(script) do
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its('matcher') { should eq 'output' }
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end
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where
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* `'script'` must specify a Powershell script to be run
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* `'matcher'` is one of `exit_status`, `stderr`, or `stdout`
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* `'output'` tests the output of the command run on the system versus the output value stated in the test
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## Matchers
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This InSpec audit resource has the following matchers:
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### be
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<%= partial "/shared/matcher_be" %>
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### cmp
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<%= partial "/shared/matcher_cmp" %>
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### eq
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<%= partial "/shared/matcher_eq" %>
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### exit_status
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The `exit_status` matcher tests the exit status for the command:
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its('exit_status') { should eq 123 }
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### include
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<%= partial "/shared/matcher_include" %>
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### match
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<%= partial "/shared/matcher_match" %>
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### stderr
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The `stderr` matcher tests results of the command as returned in standard error (stderr):
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its('stderr') { should eq 'error' }
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### stdout
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The `stdout` matcher tests results of the command as returned in standard output (stdout):
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its('stdout') { should eq '/^1$/' }
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## Examples
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The following examples show how to use this InSpec audit resource.
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### Get all groups of Administrator user
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script = <<-EOH
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# find user
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$user = Get-WmiObject Win32_UserAccount -filter "Name = 'Administrator'"
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# get related groups
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$groups = $user.GetRelated('Win32_Group') | Select-Object -Property Caption, Domain, Name, LocalAccount, SID, SIDType, Status
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$groups | ConvertTo-Json
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EOH
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describe powershell(script) do
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its('stdout') { should_not eq '' }
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end
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### Write-Output 'hello'
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The following Powershell script:
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script = <<-EOH
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Write-Output 'hello'
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EOH
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can be tested in the following ways.
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For a newline:
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describe powershell(script) do
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its('stdout') { should eq "hello\r\n" }
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its('stderr') { should eq '' }
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end
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Removing whitespace `\r\n` from `stdout`:
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describe powershell(script) do
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its('strip') { should eq "hello" }
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end
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No newline:
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describe powershell("'hello' | Write-Host -NoNewLine") do
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its('stdout') { should eq 'hello' }
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its('stderr') { should eq '' }
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end
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